213963112 has 64 divisors (see below), whose sum is σ = 464434560. Its totient is φ = 91449600.

The previous prime is 213963103. The next prime is 213963143. The reversal of 213963112 is 211369312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122598 + ... + 124330.

It is an arithmetic number, because the mean of its divisors is an integer number (7256790).

Almost surely, 2^213963112 is an apocalyptic number.

213963112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213963112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232217280).

213963112 is an abundant number, since it is smaller than the sum of its proper divisors (250471448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213963112 is a wasteful number, since it uses less digits than its factorization.

213963112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1830 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 213963112 is about 14627.4779781068. The cubic root of 213963112 is about 598.1080329645.

The spelling of 213963112 in words is "two hundred thirteen million, nine hundred sixty-three thousand, one hundred twelve".